How To Set Crossover Frequency For Car Audio System: Things You Ought To Know

Do you want to learn how to set crossover frequency for car audio system? Well, that comes with a variety of configurations. And how you configure would rest on your system set up. But that will definitely bring your music experience to the next level.

Crossover Frequency Configuration 

You may consider some of the options below as you set up for different car audio system configuration.

1. Component speakers in front, coaxial car speakers on the rear, plus a subwoofer set up

Suggested frequency for this set up is:

• Subwoofer: low-pass filter must be 80 Hz with a 12/24 dB slope.
  
• Coaxial speaker on the rear: high-pass filter must be 80 Hz with a 12/24 dB slope.
  
• Component speaker in front: high-pass filter must be 80 Hz with a 12/24 dB slope.

2. Component speakers in front plus a subwoofer set up

This setup is like System 1 without the rear coaxial speakers. Suggested frequency for this set up is:

• Subwoofer: low-pass filter must be 80 Hz with a 12/24 dB slope.
  
• Component speaker in front: high-pass filter must be 80 Hz with 12/24 dB slope.

3. 2-way component speakers in front plus a subwoofer set up

Recommended frequency for this set up is:

• Subwoofer: low-pass filter must be 80 Hz with a 12/24 dB slope.
  
• Midrange: band-pass filter must be 80 Hz high-pass filter and 5 kHz low-pass filter with 12/24 dB slope.
  
• Tweeters: high-pass filter must be 5 kHz with a 12/24 dB slope.

4. 3-way component speakers in front plus a subwoofer set up

Suggested frequency for this set up is:

• Tweeters: high-pass filter must be 5,000 Hz with 12 dB or 24 dB slope. 
• Midrange: Band-pass filter must be 500 Hz HPF & 5,000 Hz LPF with 12 dB or 24 dB slope. 
• Woofers: Second band-pass filter must be 80 Hz HPF & 500 Hz LPF with 12 dB or 24 dB slope. 
• Subwoofers: Low-pass filter must be 80 Hz with 12 dB or 24 dB slope.

5. 2-way front car speakers, rear car speakers, plus a subwoofer set up

Recommended frequency for this set up is:

• Front tweeters: high-pass filter must be 5,000 Hz with 12 dB or 24 dB slope. 
• Midrange: Band-pass filter must be 80 Hz HPF & 5,000 Hz LPF with 12 dB or 24 dB slope. 
• Rear speakers: High-pass filter must be 80 Hz with 12 dB or 24 dB slope.

6. 3-way front component car speakers, rear car speakers, plus a subwoofer set up

Suggested frequency for this set up is:

• Front tweeters: High-pass filter must be 5,000 Hz with a 12 dB or 24 dB slope. 
• Front Midrange: Band-pass filter must be 5,000 Hz HPF & 500 Hz LPF with a 12 dB or 24 dB slope. 
• Woofers: Band-pass filter must be 80 Hz HPF & 500 Hz LPF with a 12 dB or 24 dB slope. 
• Subwoofers: Low-pass filter must be 80 Hz with a 12 dB or 24 dB slope.

Conclusion

Keep in mind that if you want to understand how to set crossover frequency for car audio system, you need to know the audio system configuration first.

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